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Data Structures for Driversiovec(9S)


NAME

 iovec - data storage structure for I/O using uio

SYNOPSIS

 
#include <sys/uio.h> 

INTERFACE LEVEL

 

Architecture independent level 1 (DDI/DKI).

DESCRIPTION

 

An iovec structure describes a data storage area for transfer in a uio(9S) structure. Conceptually, it can be thought of as a base address and length specification.

STRUCTURE MEMBERS

 
 
caddr_t    iov_base;  /* base address of the data storage area */
                      /* represented by the iovec structure */ 
int        iov_len;   /* size of the data storage area in bytes */

SEE ALSO

 

uio(9S)

Writing Device Drivers


SunOS 5.9Go To TopLast Changed 11 Apr 1991

 
      
      
Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.